Shield



FIG. 1 depicts a side view, the opposite side being a mirror image thereof.

FIG. 2 depicts a bottom view.

FIG. 3 depicts a top view.

FIG. 4 depicts an enlarged front view; and,

FIG. 5 depicts an enlarged back view.

The broken line showing of the attachment pins in FIGS. 2-5 is depicted for illustrative purposes only and forms no part of the claimed design. 

I claim the ornamental design for a shield, as shown and described. 